On the photometric masses and radiation sizes of large meteoroids.

Details On the photometric masses and radiation sizes of large meteoroids. On the photometric masses and radiation sizes of large meteoroids.

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995sosyr..29..133n&link_type=abstract

Solar System Research, Vol. 29, No. 2, p. 133 - 150

Physics

3

Meteoroids: Masses, Meteoroids: Space Research, Meteoroids: Photometry

Scientific paper

Discusses the validity of determining the characteristics of large meteoritic bodies which have entered Earth's atmosphere by using the photometric mass, the dominant role of vapor radiation, and empirical values of luminosity coefficients derived for small meteoroids. A theory of meteoritic phenomena based on the concept of the dominant role of shock wave radiation is presented. The notion of the effective radiation radius corresponding to the intensity of emitted radiation at a given time is introduced. On the basis of this model and of radiation gas-dynamic calculations, a method is proposed for determining meteoroid characteristics using satellite observations of bursts of radiation with energies in the range 1 - 10 kton TNT or greater. Estimates of the characteristics of the body which caused an intense burst of radiation on October 10, 1990 are given.

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